Using CCOC(=O)CCc1cn(Cc2cccc(C(=O)Nc3cccnc3)c2)nc1-c1ccccc1 to produce O=C(O)CCc1cn(Cc2cccc(C(=O)Nc3cccnc3)c2)nc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.