Using O=C1Cc2ccccc2N1, O=C1OCc2cc(CCCOC3CCCCO3)ccc21 to produce O=C1Nc2ccccc2C1=C1OCc2cc(CCCO)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.