Using COCOC1CCN(CCN(CCCCOc2ccc3[nH]c(=O)ccc3c2)Cc2ccccc2)CC1 to produce O=c1ccc2cc(OCCCCN(CCN3CCC(O)CC3)Cc3ccccc3)ccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.