Using BrCc1ccccc1, Clc1ccc2[nH]c(-c3ncco3)cc2n1 to produce Clc1ccc2c(cc(-c3ncco3)n2Cc2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.