Using O=C1Cc2cc(CCN3CCN(c4nsc5ccccc45)CC3)c(Cl)cc2N1, CCCCCC(=O)OCCl to produce CCCCCC(=O)OCN1C(=O)Cc2cc(CCN3CCN(c4nsc5ccccc45)CC3)c(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.