Using CCN(CC)c1ccc(NC(=O)C2(NC(=O)CN)CCc3ccccc3C2)cc1, CC(C)=O to produce CCN(CC)c1ccc(NC(=O)C2(NC(=O)CNC(C)C)CCc3ccccc3C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.