Using NCc1ccccc1, CC(C)(C)c1ccc2c(Cl)c3c(nc2c1)CCCC3 to produce CC(C)(C)c1ccc2c(NCc3ccccc3)c3c(nc2c1)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.