Using CC#CCn1c(N2CCN(C(=O)OC(C)(C)C)CC2)nc2nc(Oc3ccccc3C(N)=O)n(C)c(=O)c21 to produce CC#CCn1c(N2CCNCC2)nc2nc(Oc3ccccc3C(N)=O)n(C)c(=O)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.