Using O=C1Nc2cc(Cl)ccc2C1(Br)Cc1cccc(Cl)c1, O=C1CNc2cc(Cl)ccc2N1 to produce O=C1CN(C2(Cc3cccc(Cl)c3)C(=O)Nc3cc(Cl)ccc32)c2cc(Cl)ccc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.