Using CCOC(=O)CC(Cc1nc(C(=O)NCCCNc2ccccn2)co1)c1ccccc1 to produce O=C(O)CC(Cc1nc(C(=O)NCCCNc2ccccn2)co1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.