Using COc1ccc(-c2nc(-c3ccccc3)c(-c3ccccc3)n2CCCCCCCC(=O)O)cc1 to produce O=C(O)CCCCCCCn1c(-c2ccc(O)cc2)nc(-c2ccccc2)c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.