Using N#CCC1(n2cc(C(N)=O)c(N)n2)CCC2(CC1)OCCO2 to produce N#CCC1(n2cc(C(N)=O)c(N)n2)CCC(=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.