Using CN1CCc2[nH]c3ccc(Cl)cc3c2C1, C=Cc1ccccn1 to produce CN1CCc2c(c3cc(Cl)ccc3n2CCc2ccccn2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.