Using CCOC(=O)c1cc2c3c(Cc4ncc[nH]4)cccc3n(C(C)=O)c2cn1 to produce CCOC(=O)c1cc2c(cn1)[nH]c1cccc(Cc3ncc[nH]3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.