Using CC(C)(C)OC(=O)N1CCN(CC(O)CN2CCc3ccccc3C2)C(=O)C1 to produce O=C1CNCCN1CC(O)CN1CCc2ccccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.