Using NCCO, CC(C)(C)c1cc2cc(NC(=O)C3(c4ccc5c(c4)OCO5)CC3)ccc2n1CCCC(=O)O to produce CC(C)(C)c1cc2cc(NC(=O)C3(c4ccc5c(c4)OCO5)CC3)ccc2n1CCCC(=O)NCCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.