Using COC(=O)C(C)Br, NCCNc1nccc(-c2ccc(-c3cccs3)s2)n1 to produce COC(=O)C(C)NCCNc1nccc(-c2ccc(-c3cccs3)s2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.