Using Cc1ccc(Nc2nccc3c2CCN(Cc2ccccc2)C3)cc1-c1cc2ccccc2cn1 to produce Cc1ccc(Nc2nccc3c2CCNC3)cc1-c1cc2ccccc2cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.