Using O=C1CCC(=O)N1Br, Cc1cc(Cl)cc2c(-c3ccc(Br)cc3)onc12 to produce Clc1cc(CBr)c2noc(-c3ccc(Br)cc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.