Using CN(C)c1ccc2c(c1)CCNC2=O, Brc1cccc(Br)c1 to produce CN(C)c1ccc2c(c1)CCN(c1cccc(Br)c1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.