Using OB(O)c1ccco1, O=C1NC(=O)c2ccc(Br)cc2C1=CNc1ccc(CN2CCCC2)cc1 to produce O=C1NC(=O)c2ccc(-c3ccco3)cc2C1=CNc1ccc(CN2CCCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.