Using CCCCc1nc2ccccc2n1Cc1ccc(N(C(C)=O)C(C(=O)OCC)c2ccccc2)cc1 to produce CCCCc1nc2ccccc2n1Cc1ccc(N(C(C)=O)C(C(=O)O)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.