Using COc1cc(NC(=O)NNC(=O)C[C@@H]2CCN(C(=O)C3CC3)C2)ccc1Br to produce COc1cc(-n2c(C[C@@H]3CCN(C(=O)C4CC4)C3)n[nH]c2=O)ccc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.