Using COc1cccc(C(=O)CBr)c1, c1ccc(-c2cccnc2N2CCNCC2)nc1 to produce COc1cccc(C(=O)CN2CCN(c3ncccc3-c3ccccn3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.