Using CCCc1ccc(-c2nc(-c3cccc4c3CCN4CC3(NC(=O)OC(C)(C)C)COC(C)(C)OC3)no2)cn1 to produce CCCc1ccc(-c2nc(-c3cccc4c3CCN4CC(N)(CO)CO)no2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.