Using Cc1noc(C)c1Cn1cc(N2CCCNC2=O)cn1, BrCc1ccccc1 to produce Cc1noc(C)c1Cn1cc(N2CCCN(Cc3ccccc3)C2=O)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.