Using CC(C)(C)OC(=O)[C@@H](c1ccccc1)N1CN(c2ccccc2)C2(CCN(CCCN3C(=O)Cc4ccccc43)CC2)C1=O to produce O=C(O)[C@@H](c1ccccc1)N1CN(c2ccccc2)C2(CCN(CCCN3C(=O)Cc4ccccc43)CC2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.