Using CC(=O)C(CC=Cc1ccccc1Cl)(CCC(=O)O)c1ccccc1, COc1ccccc1C=O to produce COc1ccccc1C=CC(=O)C(CC=Cc1ccccc1Cl)(CCC(=O)O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.