Using CCOC(=O)C1(NC(=O)[C@@H]2CCCc3ccccc32)Cc2ccccc2C1 to produce O=C(NC1(C(=O)O)Cc2ccccc2C1)[C@@H]1CCCc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.