Using COCn1nc2c(I)c(Br)ccn2c1=O, OB(O)c1ccc(Cl)cc1 to produce COCn1nc2c(-c3ccc(Cl)cc3)c(Br)ccn2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.