Using Clc1ncccn1, O=C1Cc2ccccc2N1C[C@@H]1CC[C@H]2CNCCN2C1 to produce O=C1Cc2ccccc2N1C[C@@H]1CC[C@H]2CN(c3ncccn3)CCN2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.