Using CC(C)(C)OC(=O)Nc1cc(C#N)cc(N2CCN(C(=O)OC(C)(C)C)CC2)c1Cl to produce N#Cc1cc(N)c(Cl)c(N2CCNCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.