Using COC(=O)c1cc2c(s1)c(-c1cc3cc(C(C)=O)ccc3n1C(=O)OC(C)(C)C)nn2C(=O)OC(C)(C)C to produce COC(=O)c1cc2[nH]nc(-c3cc4cc(C(C)=O)ccc4[nH]3)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.