Using O=C1CCC(=O)N1Br, NC(=O)c1ccc(Cl)nc1Nc1ccc(C(=O)N2CCOCC2)cc1 to produce NC(=O)c1cc(Br)c(Cl)nc1Nc1ccc(C(=O)N2CCOCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.