Using CCc1nc2ccccc2n1-c1nc(N2CCOCC2)c2nc(CC3CNC3)sc2n1, CC(C)(O)C(=O)O to produce CCc1nc2ccccc2n1-c1nc(N2CCOCC2)c2nc(CC3CN(C(=O)C(C)(C)O)C3)sc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.