Using Cc1nc2cnc3cc(O)ccc3c2n1CC(C)C, CC(C)(C)OC(=O)NCCI to produce Cc1nc2cnc3cc(OCCNC(=O)OC(C)(C)C)ccc3c2n1CC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.