Using O=C1NC(COCc2ccccc2)C(CI)O1, Brc1cn[nH]c1 to produce O=C1NC(COCc2ccccc2)C(Cn2cc(Br)cn2)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.