Using CN=C(SCc1ccc(OC)cc1)C1(c2cccnc2)CCCCC1CC=O to produce CN=C(SCc1ccc(OC)cc1)C1(c2cccnc2)CCCCC1CCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.