Using CCCCCCCCCCCCCCCCOC(=O)Nc1ccc(C)cc1C(=O)O to produce CCCCCCCCCCCCCCCCOc1nc2ccc(C)cc2c(=O)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.