Using O=Cc1ccccc1, O=c1[nH]c2nccc(NC3CCNCC3)c2c2ccccc12 to produce O=c1[nH]c2nccc(NC3CCN(Cc4ccccc4)CC3)c2c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.