Using O=C(O)C1CCOCC1, Nc1ccc(Oc2ccc3c(c2)CCN(C2CCC2)CC3)nc1 to produce O=C(Nc1ccc(Oc2ccc3c(c2)CCN(C2CCC2)CC3)nc1)C1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.