Using CCOC(=O)CC1CCc2c1[nH]c1ccc(OCc3cnc(OC(C)C)cn3)cc21 to produce CC(C)Oc1cnc(COc2ccc3[nH]c4c(c3c2)CCC4CC(=O)O)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.