Using COc1ccc(C2(C(=O)Nc3ccc(C)c(-c4cccnc4OC)n3)CC2)cc1 to produce COc1ccc(C2(C(=O)Nc3ccc(C)c(-c4ccc[nH]c4=O)n3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.