Using O=C(NCCCCN1C(=O)C2CC3CCOC32c2cc(Cl)ccc21)N1Cc2ccncc2C1 to produce O=C(NCCCCn1c(=O)c2c(c3cc(Cl)ccc31)C(CCO)C2)N1Cc2ccncc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.