Using Clc1ccc2ncc(Br)n2n1, Cn1cnc2ccc(C=O)cc21 to produce Cn1cnc2ccc(C(O)c3cnc4ccc(Cl)nn34)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.