Using CCCCNc1nc(N)nc(C)c1Cc1ccc(CC(=O)O)cc1OC, OCCO to produce CCCCNc1nc(N)nc(C)c1Cc1ccc(CC(=O)OCCO)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.