Using CC(C)(C)OC(=O)N1CCC2(C=Nc3ccc(Cl)cc32)CC1Cc1ccccc1 to produce CC(C)(C)OC(=O)N1CCC2(CNc3ccc(Cl)cc32)CC1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.