Using O=C(O)CNc1cccc(Cl)c1, O=C1Nc2cc(Cl)ccc2C1(Br)Cc1cccc(Cl)c1 to produce O=C(O)CN(c1cccc(Cl)c1)C1(Cc2cccc(Cl)c2)C(=O)Nc2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.