Using O=C1CCc2c(O)cccc2N1Cc1ccccc1, ClCCCN1CCN(c2ccccc2)CC1 to produce O=C1CCc2c(OCCCN3CCN(c4ccccc4)CC3)cccc2N1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.