Using CCOC=O, CCn1nc(C)cc1C(=O)Nc1ccc(C(=O)c2ccc3c(c2)NC(=O)C3)cc1 to produce CCn1nc(C)cc1C(=O)Nc1ccc(C(=O)c2ccc3c(c2)NC(=O)C3=CO)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.