Using CC(C)(C)OC(=O)N1CCC2(C=Nc3ccc(Cl)cc32)CC1 to produce CC(C)(C)OC(=O)N1CCC2(CC1)CNc1ccc(Cl)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.