Using Cc1cccc(C=NC2CCN(C(c3ccccc3)c3ccccc3)CC2)n1 to produce Cc1cccc(CNC2CCN(C(c3ccccc3)c3ccccc3)CC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.