Using CCc1nc2ccccc2n1-c1nc(N2CCOCC2)c2nc(C3(OC)CCNCC3)n(C)c2n1, CC(C)(O)C(=O)O to produce CCc1nc2ccccc2n1-c1nc(N2CCOCC2)c2nc(C3(OC)CCN(C(=O)C(C)(C)O)CC3)n(C)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.