Using C[O-], O=C1CN(c2ccc(C(Br)C(Br)c3ccccc3)cc2OCc2ccccc2)S(=O)(=O)N1 to produce COC(c1ccc(N2CC(=O)NS2(=O)=O)c(OCc2ccccc2)c1)C(Br)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.