Using Cn1c(=O)[nH]c2nc[nH]c2c1=O, CCOC(=O)CCl to produce CCOC(=O)Cn1cnc2[nH]c(=O)n(C)c(=O)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.