Using O=C1NC2(Cc3ccc(Br)cc3)CCCC=C2N1c1cc(Cl)cc(Cl)c1, CI to produce CN1C(=O)N(c2cc(Cl)cc(Cl)c2)C2=CCCCC21Cc1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.