Using CCOC(=O)c1cnc2scc(C)c2c1O, C=[N+]1CCOCC1 to produce CCOC(=O)c1cnc2sc(CN3CCOCC3)c(C)c2c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.