Using COc1cc(Cl)nc(CC(=O)N2CC(C)(C)c3ccccc32)n1 to produce CC1(C)CN(C(=O)Cc2nc(Cl)cc(=O)[nH]2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.