Using COc1ccc(C(=O)OCC(=O)c2ccc3c(c2)CCC(=O)N3)cc1OC, [NH4+] to produce COc1ccc(-c2nc(-c3ccc4c(c3)CCC(=O)N4)co2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.