Using CC(C)(C)OC(=O)NCC1CCC(CNc2cc(NCc3ccccc3Cl)ncc2C(N)=O)CC1 to produce CC(C)(C)OC(=O)NCC1CCC(CNc2cc(NCc3ccccc3Cl)ncc2C#N)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.