Using CCOC(=O)CCc1ncc2c(=O)[nH]c3cc(C(C)=O)ccc3n12 to produce CCOC(=O)CCc1ncc2c(=O)[nH]c3cc(CC)ccc3n12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.