Using COC(=O)[C@H](CC[C@H](Cc1ccccc1)C(=O)N[C@@H]1CCCCN(c2ccccc2)C1=O)Cc1ccccc1 to produce O=C(O)[C@H](CC[C@H](Cc1ccccc1)C(=O)N[C@@H]1CCCCN(c2ccccc2)C1=O)Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.