Using CCCCC(Nc1ncc(-c2ccc(O)cc2)nc1Cc1ccccc1)C(=O)O to produce CCCCc1nc2c(Cc3ccccc3)[nH]c(-c3ccc(O)cc3)cn-2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.