Using O=C(NCC1C2(CCCC1(c1ccccc1)c1ccccc1)OCCO2)c1ccccc1 to produce c1ccc(CNCC2C3(CCCC2(c2ccccc2)c2ccccc2)OCCO3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.