Using Cc1ccc(Cn2c(NC3CCN(CC#N)CC3)nc3ccccc32)o1 to produce Cc1ccc(Cn2c(NC3CCN(CCN)CC3)nc3ccccc32)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.