Using CC(C)(C)OC(=O)N1CC2CN(CCN(CCOc3ccc(C#N)cc3)C(N)=O)CC(C1)O2 to produce N#Cc1ccc(OCCN(CCN2CC3CNCC(C2)O3)C(N)=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.