Using CN1CCNCC1, O=Cc1cccc(C2c3n[nH]c(=O)c4cccc(c34)NC2c2ccccc2)c1 to produce CN1CCN(Cc2cccc(C3c4n[nH]c(=O)c5cccc(c45)NC3c3ccccc3)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.