Using CCCn1c(CCOC)nc2c(N)nc3cc(OC4CCNCC4)ccc3c21, CC(C)C(=O)Cl to produce CCCn1c(CCOC)nc2c(N)nc3cc(OC4CCN(C(=O)C(C)C)CC4)ccc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.