Using CN(C=O)c1ccccn1, Cn1c(Br)c(Br)cc(OCc2ccccc2)c1=O to produce Cn1c(C=O)c(Br)cc(OCc2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.