Using OCC1CC1, O=C(c1nsc2cc(O)ccc12)N1CCN2CCC1CC2 to produce O=C(c1nsc2cc(OCC3CC3)ccc12)N1CCN2CCC1CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.